All taps into water mains shall be made by or under the direct supervision of the Administrator and in accord with the following:
(Code of Iowa, Sec. 372.13[4])
1. Independent Services. No more than one house, building or premises shall be supplied from one tap unless special written permission is obtained from the Administrator and unless provision is made so that each house, building or premises may be shut off independently of the other.
2. Sizes and Location of Taps. The size of the lateral and service lines shall be as follows:
A. For single-family dwellings, one-inch from water main to water meter;
B. For two-family dwellings, one-inch from water main to water meter, and each dwelling unit must be served by a separate curb stop shutoff valve and meter;
(Ord. 1719 – Apr. 12 Supp.)
C. For multi-family dwellings of 3 to 7 dwelling units, one-inch from water main to meter;
D. For multi-family dwellings of 8 to 24 dwelling units, two-inch copper pipe or three-inch C900 polyvinyl chloride (PVC) pipe from water main to curb stop shutoff valve and one-inch from each curb stop shutoff valve to each water meter if each unit is served by a separate curb stop shutoff valve and meter; or two-inch copper pipe or three-inch C900 PVC pipe from water main to water meter if all units are served by one meter;
(Ord. 1719 – Apr. 12 Supp.)
E. For multiple dwellings of 25 dwelling units and above, three-inch copper pipe or four-inch C900 PVC from water main to curb stop shutoff valve and one-inch from each curb stop shutoff valve to each water meter if each unit is served by a separate curb stop shutoff valve and meter; or three-inch copper pipe or four-inch C900 PVC pipe from water main to water meter if all units are served by one meter.
(Ord. 1719 – Apr. 12 Supp.)
F. Where a larger connection than a one-inch tap is desired, the size and method of tapping shall be authorized by the Administrator. All taps in the mains shall be made in the top half of the pipe, at least eighteen (18) inches apart. No main shall be tapped nearer than two (2) feet of the joint in the main. Saddles are required for taps up to and including two-inch diameter. Taps greater than two-inch diameter require tapping sleeve and valve.
(Ord. 1719 – Apr. 12 Supp.)
3. Corporation Stop. A brass corporation stop, of the pattern and weight approved by the Administrator, shall be inserted in every tap in the main. The corporation stop in the main shall be of the same size as the service pipe.
4. Location Record. An accurate and dimensional sketch showing the exact location of the tap shall be filed with the Administrator in such form as the Administrator shall require.
5. Costs. All costs and expenses incident to the tapping into a water main and installation of the corporation stop, service pipe and curb stop shutoff valve shall be borne by the property owner.
(Ord. 1719 – Apr. 12 Supp.)
6. Individual curb stop shutoff valves shall be located outside of buildings within an easement, right-of-way, or other location as approved by the Administrator.
(Ord. 1719 – Apr. 12 Supp.)